R-square

parameters mean se_mean sd 2.5% 25% 50% 75% 97.5% n_eff Rhat
Rsq_0 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 9165.045 1.0000813
Rsq_1 0.6807577 0.0000927 0.0098987 0.6608528 0.6741945 0.6809692 0.6876131 0.6995200 11403.849 0.9997568
Rsq_2 0.7891610 0.0000581 0.0087557 0.7711744 0.7833811 0.7894811 0.7952806 0.8054683 22706.543 0.9998771
Rsq_3 0.7910526 0.0000535 0.0087763 0.7732296 0.7852681 0.7913019 0.7970829 0.8076940 26950.524 0.9997394
Rsq_4 0.7737624 0.0001193 0.0101542 0.7527663 0.7671300 0.7741414 0.7807705 0.7929330 7243.621 1.0001814

Loo-compare the models

##         elpd_diff se_diff
## model_3    0.0       0.0 
## model_2   -4.8       2.6 
## model_4  -33.9      41.1 
## model_0 -520.4      36.7 
## model_1 -788.2      32.2